61267070047 has 4 divisors (see below), whose sum is σ = 61305435496. Its totient is φ = 61228704600.

The previous prime is 61267069991. The next prime is 61267070089. The reversal of 61267070047 is 74007076216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61267070047 - 2³¹ = 59119586399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61267069991 and 61267070009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61267073047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19180329 + ... + 19183522.

It is an arithmetic number, because the mean of its divisors is an integer number (15326358874).

Almost surely, 2^61267070047 is an apocalyptic number.

61267070047 is a deficient number, since it is larger than the sum of its proper divisors (38365449).

61267070047 is a wasteful number, since it uses less digits than its factorization.

61267070047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38365448.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 61267070047 in words is "sixty-one billion, two hundred sixty-seven million, seventy thousand, forty-seven".